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Modeling the effects of pore arrays on the electrical and mechanical properties of copper

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Abstract

The development of porous metals has led to the need for an accurate prediction of the physical and mechanical properties of the many possible fabricated structures. For applications where yield stress needs to be reduced, while maintaining a high conductivity, the optimization of the pore dimensions, volume fraction, and pore spacing is required. A finite element model has been developed to simulate the effects of these factors on the electromechanical behavior of porous copper. This model was validated against samples of copper with mechanically induced pores as well as a copper GASAR sample. Good agreement (within an error of ±3%) was shown between the model and experimental data for the resistivity and effective modulus for both the mechanically induced pore and the GASAR samples, although the low ductility of the samples was not predicted and restricts the application of the simulation.

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Acknowledgment

The authors wish to acknowledge the contribution of funding from the FP7 grant (FP7-SME-2012–286943).

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Authors and Affiliations

  1. Department of Metallurgy and Materials, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK

    Carl Slater & Martin Strangwood

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  1. Carl Slater
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  2. Martin Strangwood
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Correspondence to Carl Slater.

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Slater, C., Strangwood, M. Modeling the effects of pore arrays on the electrical and mechanical properties of copper. Journal of Materials Research 28, 2539–2544 (2013). https://doi.org/10.1557/jmr.2013.188

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  • DOI: https://doi.org/10.1557/jmr.2013.188

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